﻿#region copyright
//------------------------------------------------------------------------------
//  此代码版权声明为全文件覆盖，如有原作者特别声明，会在下方手动补充
//  此代码版权（除特别声明外的代码）归作者本人Diego所有
//  源代码使用协议遵循本仓库的开源协议及附加协议
//  Gitee源代码仓库：https://gitee.com/diego2098/ThingsGateway
//  Github源代码仓库：https://github.com/kimdiego2098/ThingsGateway
//  使用文档：https://diego2098.gitee.io/thingsgateway/
//  QQ群：605534569
//------------------------------------------------------------------------------
#endregion

namespace ThingsGateway.Foundation
{
    /// <inheritdoc cref="IMessage"/>
    public abstract class MessageBase : OperResult<byte[]>, IMessage
    {
        private byte[] sendBytes = new byte[] { };

        /// <inheritdoc/>
        public int BodyLength { get; set; }

        /// <inheritdoc/>
        public byte[] HeadBytes { get; set; }

        /// <inheritdoc/>
        public virtual int HeadBytesLength { get; }
        /// <inheritdoc/>
        public byte[] ReceivedBytes { get; set; }

        /// <inheritdoc/>
        public byte[] SendBytes
        {
            get
            {
                return sendBytes;
            }
            set
            {
                sendBytes = value;
                SendBytesThen();
            }
        }

        /// <inheritdoc/>
        public abstract bool CheckHeadBytes(byte[] head);

        /// <summary>
        /// 写入<see cref="SendBytes"/>后触发此方法
        /// </summary>
        protected virtual void SendBytesThen()
        {
        }
    }
}